Shuri who works as the president's secretary. One day, Shinji's younger brother reaches out to a yakuza woman, and Shinji and Shuri are abducted. Before the younger brother did what he did, Shuri was laid down by the yakuza. After receiving sexual intercourse over and over again, Shuri falls into a sex slave. Shinji, who was watching such an older sister, was excited by her real sister and decided to enter the gangster and participate in the act. Betrayed by his younger brother, Shuri loses hope of living ... [* There is some distortion in the image and sound]